From DIY levitation tricks to clever braking systems, these swirling paths of electrons keep finding new ways to surprise and inspire.

Insistent demand for energy-saving industrial and home appliances has recently escalated because of energy and environmental matter and the necessity to comply with new energy consumption regulations.

Stick your hand into a powerful electric induction coil. Nothing happens. Then stick a steel rod into it—the metal becomes red hot almost at once. This phenomenon is the basis of the fast-growing ...